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Abstract
The secretior of the arginine, lisine, leucine, aspartic acid, glutamic acid and alanine aminoalcids, for species of the Bacillus was studied using a detected technic in salid medium with auxotrofic strains. From the 38 essayed Bacillus strains, 31 produce argmme, 30 lisine, 26 leucine, 26 aspartic, 30 alanine and no glutamic acid was produced. It is very important this result because it can mean an interest character in the taxonomy of the genus Bacillus. It is pointed out that the aspartic acid production by B. subtilis and the no production by B. licheniformis can also be used as differential purpose between both species. The strains that have shown the best production ability are also indicated.
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